Home / 76,910.06-115,364.37-24,319.55

Finding the Fourth Proportional to 76,910.06, 115,364.37 and 24,319.55

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Solution

The fourth proportional to 76,910.06, 115,364.37 and 24,319.55 is: 36,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,910.06 : 115,364.37 = 24,319.55 : x
  2. Step 2: Convert to fraction form
    76,910.06/115,364.37 = 24,319.55/x
  3. Step 3: Cross multiply
    76,910.06x = 115,364.37 × 24,319.55
  4. Step 4: Simplify right side
    76,910.06x = 2,805,609,564.43
  5. Step 5: Solve for x
    x = 2,805,609,564.43/76,910.06
  6. Step 6: Final answer
    x = 36,479.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.